package com.alibaba.thread;

import java.util.ArrayList;

import java.util.List;

public class SafeThread {
    public static void main(String[] args) {
        List<Integer> numberList = new ArrayList<>();
        for (int i = 0; i < 10000; i++) {
            new Thread(new Runnable() {
                @Override
                public void run() {

                        numberList.add(1);


                }
            }).start();
        }
        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("args = " + numberList.size());
    }
}
